# upstream_refused

> The upstream refused the WebSocket.

Source: https://tickwire.io/docs/errors/upstream_refused/

HTTP 400, 401, 403, 404, 409, 429, 502.

**Likely cause:** The upstream answered the upgrade with an error status.

**What to do:** Check the path and the subscription.

**Retry:** No. The same request gets the same answer; change something first.

Listed under [Streaming](https://tickwire.io/docs/errors/#streaming) in [Errors](https://tickwire.io/docs/errors/). Send the error's `requestId` to support and we can find the request.